Here are some additional resources on municipal bond underwriting you may find useful:   http://www.bondbuyer.com/ https://www.tm3.com/homepage/homepage.jsf?ur=y https://officialstatements.swst.com/pdfs/E%20Montgomery%20MUD%203%20TX.pdf http://tm3web1.tm3.com/refer/usermanual/docs/Primary_Markets.pdf http://www.msrb.org/msrb1/pdfs/Financing-Team.pdf http://www.msrb.org/msrb1/pdfs/Professionals-In-Competitive-Transaction.pdf         Preleminiary Official Statements_MIMason01a_POS Notice of bond bid acceptance MI_Mason0130      

Stock Margin Worksheet The link above will let you download an Excel Worksheet and allow you to see what margin requirements are needed for different situations.  Change the values in the yellow highlighted cells and it changes the results. Have fun